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Sequoia 680 Chesapeake Drive !redwood City.CA 94063 (650)364-9600 FAX(650)364-9233 <br /> I 1 404 N.Wlget lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> �III� Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921.9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd.North,Ste.D Petaluma,CA 94954 (707)792.1865 FAX(707)792-0342 <br /> ;pttler-Ryan - Du.b lin.. .. ..�Iient"Project ID: Tosco #11195, Lathrop . .. ....... Sampled: Dec 31 1998 <br /> :947 Sierra Court, Suite J Sample Matrix: Soil Received: Dec 31, 1998'--: <br /> Dublin, CA 94568 Analysis Method: EPA 5030/8015 Mod./8020 Reported: Jan 5, 1999 ` <br /> Attention: Clyde Galantine First Sample#: 901-0006 <br /> ..... . .. <br /> QC Batch Number; SP010498 SP010498 <br /> 8020EM 8020EXA <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br /> Reporting Sample Sample <br /> Analyte Limit I.D. I.D. <br /> mg/Kg 901-0006 901-0007 <br /> SP-6A,B,C,D SP-7A,B,C,D <br /> Purgeable <br /> Hydrocarbons 1.0 34 N.D. <br /> Benzene 0.0050 N.D. N.D. <br /> Toluene 0.0050 N.D. N.D. <br /> Ethyl Benzene 0.0050 0.17 N.D. <br /> Xylenes 0.0050 1.1 N.D. <br /> MTBE 0.050 N.D. 2.1 <br /> Chromatogram Pattern: Gasoline <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 1.0 <br /> Date Analyzed: 1/4/99 1/4/99 <br /> Instrument Identification: HP-4 HP-4 <br /> Surrogate Recovery, %: 98 92 <br /> (QC Limits = 40-140%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as N.D.were not detected above the stated reporting limit. <br /> SEQUOIA ANALYTICAL, #1271 <br /> lianne Fegley <br /> roject Manager <br /> 9010006.GET <1> <br /> �6d' <br />